int hash = 17;
            hash = hash * 31 + artifactHashCode(artifact);
            hash = hash * 31 + (resolveManagedVersions ? 1 : 2);
            hash = hash * 31 + repositoriesHashCode(repositories);
            this.hashCode = hash;
        }

        @Override
        public int hashCode() {
            return hashCode;
        }

        @Override